ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,946, issued on Sept. 15, was assigned to OptionX Holdings PTY LTD (Burleigh Waters, Australia).
"Drill head for use with microtunneling apparatus" was invented by Stuart Harrison (Burleigh Waters, Australia), Allen Henley (Burleigh Waters, Australia) and Albert Fourie (Burleigh Waters, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a drill head (4) for use with a microtunneling apparatus (1) to produce swarf in a working zone (13) of a bore. The drill head (4) includes a cutter bar (12) having at least one spray outlet (41) which is adapted to spray fluid towards a radial member (36) of the drill head (4)."
The ...